import sys
sys.path.append(r'C:\Program Files (x86)\IronPython 2.7\DLLs')
sys.path.append(r'C:\Program Files (x86)\IronPython 2.7\Lib')

import clr

clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)
clr.ImportExtensions(Revit.GeometryConversion)


clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument

clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *

TransactionManager.Instance.EnsureInTransaction(doc)

#Setting point locations

level = UnwrapElement(IN[0])

pt0 = XYZ(0,0,0)
pt1 = XYZ(0,28,0)
pt2 = XYZ(39,28,0)
pt3 = XYZ(39,0,0)

#Soffit
roof = UnwrapElement(IN[1])

footPrintToModelCurveMapping = clr.StrongBox[ModelCurveArray](ModelCurveArray())

r_profile = CurveArray()

r_profile.Append(Line.CreateBound(pt0, pt1));
r_profile.Append(Line.CreateBound(pt1, pt2));
r_profile.Append(Line.CreateBound(pt2, pt3));
r_profile.Append(Line.CreateBound(pt3, pt0));

create_roof = doc.Create.NewFootPrintRoof(r_profile, level, roof, footPrintToModelCurveMapping)
plrf = create_roof.ToDSType(False)    

OUT = plrf

TransactionManager.Instance.TransactionTaskDone()